add check_mode tags to shell command and script tasks that should be run even...

add check_mode tags to shell command and script tasks that should be run even when checking (only do this if the task is known to not make system changes

roles/upgrade/tasks/main.yml

@@ -27,10 +27,12 @@
   shell: rpm -q kernel-devel | cut -f 3,4 -d "-"
   register: rpm_q_output
   when: ansible_os_family=="RedHat"
+  check_mode: no
 
 - name: get kernel version
   shell: uname -r
   register: uname_r_output
+  check_mode: no
 
 - name: default dont reboot
   set_fact: